MIL-SPEC · Electronic Components
M15291/3-021
Switch, Rotary
Part NumberM15291/3-021
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-259-7153 (NSN)
Federal Item NameSWITCH,ROTARY
Federal Supply Class5930 — Switches
Shaft Diameter0.217 INCHES MINIMUM AND 0.219 INCHES MAXIMUM SINGLE ACTUATOR
Mounting MethodBASE SINGLE MOUNTING FACILITY
Mounting Facility PatternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY
Terminal TypeSCREW
Unthreaded Mounting Hole Diameter0.203 INCHES NOMINAL SINGLE MOUNTING FACILITY
Switch Actuator Indexing Position4 SINGLE ACTUATOR
Test Data Document81349-MIL-S-15291 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Overall Length1.656 INCHES NOMINAL
Longest Horizontal Distance Betwee1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY
Shaft Length0.234 INCHES NOMINAL SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is M15291/3-021 available?
We can source M15291/3-021 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is M15291/3-021 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M15291/3-021 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like M15291/3-021?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for M15291/3-021?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.